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Number of items: **3**.

Atkinson, Frederick Valentine and Elbert, Árpád:
*An extension of Milloux's theorem to half-linear differential equations.*
Electronic journal of qualitative theory of differential equations : proceedings of the colloquium on the qualitative theory of differential equations, (6) 8.
pp. 1-10. (2000)

Atkinson, Frederick Valentine and Langer, Heinz and Mennicken, Reinhard:
*Sturm-liouville problems with coefficients which depend analytically on the eigenvalue parameter.*
Acta scientiarum mathematicarum, (57) 1-4.
pp. 25-44. (1993)

Atkinson, Frederick Valentine:
*On relatively regular operators.*
Acta scientiarum mathematicarum, (15).
pp. 38-56. (1953)